@inproceedings{CHI-2011-WillettHHA,
	author        = "Wesley Willett and Jeffrey Heer and Joseph M. Hellerstein and Maneesh Agrawala",
	booktitle     = "{Proceedings of the 29th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1978942.1979407",
	isbn          = "978-1-4503-0228-9",
	pages         = "3131--3140",
	publisher     = "{ACM}",
	title         = "{CommentSpace: structured support for collaborative visual analysis}",
	year          = 2011,
}